package com.cai.dao;

import com.cai.pojo.Department;
import com.cai.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

// 模拟EmployeeDao数据
@Repository
public class EmployeeDao {

    private static Map<Integer, Employee> employees = null;

    @Autowired
    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<>();
        employees.put(101, new Employee(101, "AA", "A1257791157@qq.com", 1, new Department(101, "教学部")));
        employees.put(102, new Employee(102, "BB", "B1257791157@qq.com", 0, new Department(102, "市场部")));
        employees.put(103, new Employee(103, "CC", "C1257791157@qq.com", 1, new Department(103, "教研部")));
        employees.put(104, new Employee(104, "DD", "D1257791157@qq.com", 0, new Department(104, "运营部")));
        employees.put(105, new Employee(105, "EE", "EC257791157@qq.com", 1, new Department(105, "后勤部")));
    }

    // 主键自增
    private static Integer initId = 106;

    // 新增一个员工  （新增代替修改 主键key一样新增 会覆盖之前value）
    public void save(Employee employee) {
        if (employee.getId() == null) {
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }

    // 获取全部员工信息
    public Collection<Employee> getAll() {
        return employees.values();
    }

    // 通过id 获取对应的员工
    public Employee getEmployeeById(Integer id) {
        return employees.get(id);
    }

    //  通过id 删除对应的员工
    public void deleteId(Integer id) {
        employees.remove(id);
    }

}
